Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Yau Han Eva Chung, OD
Optometrist in Walnut Creek, CA · enumerated 2024.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1275373417
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Registry record
Entity type Individual (Type 1)
Name Yau Han Eva Chung
Credential OD
Sex Female
Practice address 350 N Wiget Ln Ste 200, Walnut Creek, CA, 94598
Phone (925) 934-7800
Fax (925) 933-9547
Enumeration date May 27, 2024
Last updated in NPPES Jun 14, 2026
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Yau Han Eva Chung practice?
The practice location on file with NPPES is in Walnut Creek, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Yau Han Eva Chung?
The National Provider Identifier (NPI) for Yau Han Eva Chung is 1275373417, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-06-14.